Simple Pagination for WordPress

wp-pagination.php

<?php
function soundst_numeric_posts_nav() {
  
    if( is_singular() )
        return;
  
    global $wp_query;
  
    /** Stop execution if there's only 1 page */
    if( $wp_query->max_num_pages <= 1 )
        return;
  
    $paged = get_query_var( 'paged' ) ? absint( get_query_var( 'paged' ) ) : 1;
    $max   = intval( $wp_query->max_num_pages );
  
    /** Add current page to the array */
    if ( $paged >= 1 )
        $links[] = $paged;
  
    /** Add the pages around the current page to the array */
    if ( $paged >= 3 ) {
        $links[] = $paged - 1;
        $links[] = $paged - 2;
    }
  
    if ( ( $paged + 2 ) <= $max ) {
        $links[] = $paged + 2;
        $links[] = $paged + 1;
    }
  
    echo '<div class="navigation"><ul>' . "\n";
  
    /** Previous Post Link */
    if ( get_previous_posts_link() )
        printf( '<li>%s</li>' . "\n", get_previous_posts_link() );
  
    /** Link to first page, plus ellipses if necessary */
    if ( ! in_array( 1, $links ) ) {
        $class = 1 == $paged ? ' class="active"' : '';
  
        printf( '<li%s><a href="%s">%s</a></li>' . "\n", $class, esc_url( get_pagenum_link( 1 ) ), '1' );
  
        if ( ! in_array( 2, $links ) )
            echo '<li>…</li>';
    }
  
    /** Link to current page, plus 2 pages in either direction if necessary */
    sort( $links );
    foreach ( (array) $links as $link ) {
        $class = $paged == $link ? ' class="active"' : '';
        printf( '<li%s><a href="%s">%s</a></li>' . "\n", $class, esc_url( get_pagenum_link( $link ) ), $link );
    }
  
    /** Link to last page, plus ellipses if necessary */
    if ( ! in_array( $max, $links ) ) {
        if ( ! in_array( $max - 1, $links ) )
            echo '<li>…</li>' . "\n";
  
        $class = $paged == $max ? ' class="active"' : '';
        printf( '<li%s><a href="%s">%s</a></li>' . "\n", $class, esc_url( get_pagenum_link( $max ) ), $max );
    }
  
    /** Next Post Link */
    if ( get_next_posts_link() )
        printf( '<li>%s</li>' . "\n", get_next_posts_link() );
  
    echo '</ul></div>' . "\n";
}

do_action( 'st_paginate', 'soundst_numeric_posts_nav' );

/*
 * Query args
    $paged = ( get_query_var( 'paged' ) ) ? get_query_var( 'paged' ) : 1;
    $args = [
        'post_type'      => 'case',
        'posts_per_page' => 10,
        'paged'          => $paged
    ];
*/

/*
 * Styles
.navigation li a,
.navigation li a:hover,
.navigation li.active a,
.navigation li.disabled {
    color: #fff;
    text-decoration:none;
}
  
.navigation li {
    display: inline;
}
  
.navigation li a,
.navigation li a:hover,
.navigation li.active a,
.navigation li.disabled {
    background-color: #c6661f;
    border-radius: 3px;
    cursor: pointer;
    padding: 12px;
    padding: 0.75rem;
}
  
.navigation li a:hover,
.navigation li.active a {
    background-color: #f9d34c;
}
 */